public static FacetQuery Create(DocumentsOperationContext context, IndexQueryServerSide query)
{
long?facetsEtag = null;
DocumentsTransaction tx = null;
try
{
var facets = new Dictionary <string, FacetSetup>(StringComparer.OrdinalIgnoreCase);
foreach (var selectField in query.Metadata.SelectFields)
{
if (selectField.IsFacet == false)
{
continue;
}
var facetField = (FacetField)selectField;
if (facetField.FacetSetupDocumentId == null || facets.ContainsKey(facetField.FacetSetupDocumentId))
{
continue;
}
if (tx == null)
{
tx = context.OpenReadTransaction();
}
var documentJson = context.DocumentDatabase.DocumentsStorage.Get(context, facetField.FacetSetupDocumentId);
if (documentJson == null)
{
throw new DocumentDoesNotExistException(facetField.FacetSetupDocumentId);
}
if (facetsEtag.HasValue == false)
{
facetsEtag = documentJson.Etag;
}
else
{
facetsEtag = facetsEtag.Value ^ documentJson.Etag;
}
var document = FacetSetup.Create(facetField.FacetSetupDocumentId, documentJson.Data);
facets[facetField.FacetSetupDocumentId] = document;
}
return(new FacetQuery(query, facets, facetsEtag ?? 0)
{
Legacy = string.IsNullOrEmpty(query.ClientVersion) == false && query.ClientVersion[0] == '4'
});
}
finally
{
tx?.Dispose();
}
}
public void CanDeserializeLegacyFacetSetup()
{
var facets = new DynamicJsonArray
{
new DynamicJsonValue
{
[nameof(Facet.Aggregations)] = new DynamicJsonValue
{
[nameof(FacetAggregation.Min)] = "Test"
}
}
};
var rangeFacets = new DynamicJsonArray
{
new DynamicJsonValue
{
[nameof(Facet.Aggregations)] = new DynamicJsonValue
{
[nameof(FacetAggregation.Max)] = "Test2"
}
}
};
var djv = new DynamicJsonValue
{
[nameof(FacetSetup.Facets)] = facets,
[nameof(FacetSetup.RangeFacets)] = rangeFacets
};
using (var context = JsonOperationContext.ShortTermSingleUse())
{
var json = context.ReadObject(djv, "facet/setup");
var setup = FacetSetup.Create("myId", json);
Assert.Equal("myId", setup.Id);
Assert.Equal(1, setup.Facets.Count);
Assert.Equal(1, setup.Facets[0].Aggregations.Count);
Assert.Equal("Test", setup.Facets[0].Aggregations[FacetAggregation.Min].Single().Name);
Assert.Null(setup.Facets[0].Aggregations[FacetAggregation.Min].Single().DisplayName);
Assert.Equal(1, setup.RangeFacets.Count);
Assert.Equal(1, setup.RangeFacets[0].Aggregations.Count);
Assert.Equal("Test2", setup.RangeFacets[0].Aggregations[FacetAggregation.Max].Single().Name);
Assert.Null(setup.RangeFacets[0].Aggregations[FacetAggregation.Max].Single().DisplayName);
}
}